{
  "meta": {
    "subject": "Roblox group 542471601",
    "retrieved": "2026-11-02T02:54:26.574Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "member_history": "insert-on-change; a point exists only where the value differed from the prior reading.",
      "detection_dates": "ownership/name changes are dated when this register observed them, not when they happened."
    }
  },
  "group": {
    "id": 542471601,
    "name": "東環鐵路|East Central Railway",
    "created": "2025-09-13T11:36:41.833Z",
    "owner_user_id": 8766116548,
    "member_count": 663,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T11:53:22.409Z",
    "last_measured": "2026-10-29T23:34:33.375Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T11:53:22.409Z",
      "member_count": 655
    },
    {
      "measured_at": "2026-08-10T23:51:43.181Z",
      "member_count": 656
    },
    {
      "measured_at": "2026-08-11T23:51:04.621Z",
      "member_count": 656
    },
    {
      "measured_at": "2026-08-18T08:10:32.870Z",
      "member_count": 655
    },
    {
      "measured_at": "2026-08-20T03:32:29.607Z",
      "member_count": 656
    },
    {
      "measured_at": "2026-08-21T14:00:07.271Z",
      "member_count": 657
    },
    {
      "measured_at": "2026-08-22T09:01:34.528Z",
      "member_count": 658
    },
    {
      "measured_at": "2026-08-23T06:01:00.235Z",
      "member_count": 659
    },
    {
      "measured_at": "2026-08-28T23:21:32.112Z",
      "member_count": 658
    },
    {
      "measured_at": "2026-09-04T11:10:38.021Z",
      "member_count": 659
    },
    {
      "measured_at": "2026-09-06T03:10:57.946Z",
      "member_count": 660
    },
    {
      "measured_at": "2026-09-07T13:41:08.840Z",
      "member_count": 661
    },
    {
      "measured_at": "2026-09-08T11:00:52.711Z",
      "member_count": 662
    },
    {
      "measured_at": "2026-09-12T12:11:07.099Z",
      "member_count": 663
    },
    {
      "measured_at": "2026-09-19T02:51:18.806Z",
      "member_count": 662
    },
    {
      "measured_at": "2026-09-20T03:20:14.415Z",
      "member_count": 663
    },
    {
      "measured_at": "2026-09-26T05:42:11.212Z",
      "member_count": 662
    },
    {
      "measured_at": "2026-09-27T08:21:47.593Z",
      "member_count": 663
    },
    {
      "measured_at": "2026-09-27T09:11:24.611Z",
      "member_count": 662
    },
    {
      "measured_at": "2026-10-12T12:41:06.796Z",
      "member_count": 661
    },
    {
      "measured_at": "2026-10-19T14:31:09.855Z",
      "member_count": 662
    },
    {
      "measured_at": "2026-10-20T14:00:52.518Z",
      "member_count": 663
    }
  ],
  "name_history": [
    {
      "name": "東環鐵路|East Central Railway",
      "first_seen": "2026-08-10T11:53:22.409Z",
      "last_seen": "2026-10-29T23:34:33.375Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-11T23:51:04.621Z",
      "previous_owner": null,
      "new_owner": 8766116548
    }
  ]
}